Run results for: Date.now() vs new Date().getTime() vs performance.now()

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Firefox 137
Mac OS X 10.15
Desktop
one year ago
Date.now()
28.0M/s
new Date().getTime();
23.6M/s
performance.now()
11.6M/s
View exact numbers
Test name Executions per second
✓ Date.now() 27,954,000 Ops/sec
new Date().getTime(); 23,564,822 Ops/sec
performance.now() 11,597,874 Ops/sec
Script Preparation code:
Tests: